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See detailCross-linguistic Lexical Tasks (CLT) and word knowledge in monolingual children
Haman, Ewa; Armon-Lotem, Sharon; Bjekić et al

Scientific Conference (2014, July 17)

Introductory paper presents the method of the CLT construction and monolingual results obtained for 18 languages (Afrikaans, British English, SA English, Catalan, Finnish, German, Hebrew, isiXhosa ... [more ▼]

Introductory paper presents the method of the CLT construction and monolingual results obtained for 18 languages (Afrikaans, British English, SA English, Catalan, Finnish, German, Hebrew, isiXhosa, Italian, Luxembourgish, Lithuanian, Norwegian, Polish, Serbian, Slovak, Spanish, Swedish, Turkish). The CLT was conceived to assess comprehension and production of nouns and verbs in different languages. Picture choice and picture naming tasks were chosen because these procedures least involve other types of linguistic or conceptual skills. Response accuracy indicates the size of receptive and expressive vocabulary. Error coding (production task) provides additional information about the nature of lexical problems. We used a unique procedure for designing the CLT in parallel in 34 different languages according to the same criteria. Phases of the CLT design included: (1) Defining a set of candidate words (158 nouns and 142 verbs) that are mostly shared across 34 languages (a picture naming and rating study; 85 competent judges) (2) Determining the formal complexity of candidate words for each language (expert informants) (3) Determining the age of acquisition (AoA) of candidate words (on-line subjective rating study in each language; over 800 adult participants) (4) Selecting a list of target words for each language according to key criteria (5) Designing a set of culturally-neutral colored pictures for the selected words (6) Preparing uniform instructions for CLT use All CLT versions were piloted and the lists of target words were verified according to the pilot results. Cross-linguistic comparison of monolingual baseline CLT results includes data obtained from 449 children (aged 3-6 years). The results show significant effect of age, noun priority in both comprehension and production and interaction of mode and word-class (production of verbs was most prone to errors). We conclude that the CLT represents an accurate and culture-fair method for assessment of lexical knowledge in preschool children. [less ▲]

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Peer Reviewed
See detailAge of Acquisition Norms for Nouns and Verbs in 22 Languages
Łuniewska; Anđelković; Armon-Lotem et al

Poster (2014, July 15)

Word characteristics such as frequency, imageability, concreteness and length are considered good predictors of performance in lexical tasks like picture naming, word comprehension or lexical decision ... [more ▼]

Word characteristics such as frequency, imageability, concreteness and length are considered good predictors of performance in lexical tasks like picture naming, word comprehension or lexical decision-making. There is also evidence that the age of acquisition (AoA) of words can partly explain aspects of word processing behaviour in later childhood and adulthood (Morrison et al., 1992; Brysbaert & Cortese, 2010).In the present study, we collected AoA norms for 158 nouns and 142 verbs in 22 languages: Afrikaans, British English, Catalan, Danish, Finnish, German, Hebrew, Irish, IsiXhosa, Italian, Lithuanian, Luxembourgish, Maltese, Norwegian, Polish, Russian, Serbian, Slovak, South African English, Spanish, Swedish and Turkish. In a preparatory picture naming procedure, adult native speakers of 34 languages were asked to name 508 object and 504 action pictures. Words shared among the target languages were retained for the final corpus. Our study followed the typical procedure for establishing AoA (see Morrison et al. 1997) and was performed on-line (see www.words-psych.org). 804 adult participants (at least 20 for each language) were asked to specify the age at which they learned the words in their native language. The vast majority of words were rated as acquired by the age of 7 years, demonstrating overlap in early vocabulary across diverse languages. Significant correlations between all language pairs point to a similar developmental sequence for the words under investigation. No previous study has compared AoA judgements on a shared set of words in a wide range of languages. 'The AoA data collected in the 22 languages provides word characteristics that should assist the design of cross-linguistic psycholinguistic experiments and the preparation of materials for use in the assessment and treatment of language disorders in preschool children. The AoA data are currently being used to control for AoA in the construction of cross-linguistic lexical tasks assessing word knowledge in monolingual and bilingual children. [less ▲]

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